Home / 151,924.14-209,644.54-83,940.37

Finding the Fourth Proportional to 151,924.14, 209,644.54 and 83,940.37

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Solution

The fourth proportional to 151,924.14, 209,644.54 and 83,940.37 is: 115,831.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,924.14 : 209,644.54 = 83,940.37 : x
  2. Step 2: Convert to fraction form
    151,924.14/209,644.54 = 83,940.37/x
  3. Step 3: Cross multiply
    151,924.14x = 209,644.54 × 83,940.37
  4. Step 4: Simplify right side
    151,924.14x = 17,597,639,522.12
  5. Step 5: Solve for x
    x = 17,597,639,522.12/151,924.14
  6. Step 6: Final answer
    x = 115,831.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.